(19)

(11)

EP 3 861 476 A1

(12)

(43) Date of publication: 11.08.2021 Bulletin 2021/32 (21) Application number: 19768842.7 (22) Date of filing: 18.09.2019

(51) International Patent Classification (IPC):  G06F 21/62(2013.01) G06K 9/00(2006.01) (86) International application number: PCT/EP2019/074977 (87) International publication number: WO 2020/069867 (09.04.2020 Gazette 2020/15)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 04.10.2018 EP 18306312 (71) Applicant: Thales DIS France SA 92190 Meudon (FR)	(72) Inventor: TEGLIA, Yannick 92190 Meudon (FR) (74) Representative: Bricks, Amélie  Thales Dis France SA Intellectual Property Department 6, rue de la Verrerie 92190 Meudon 92190 Meudon (FR)